int a, b, c;
int main()
{
    c = b = a = 1;
    printf("a = %i, b = %i, c = %i\n", a, b, c);
    c = b = 2;
    printf("b = %i, c = %i\n", b, c);
    c = 3;
    printf("c = %i\n", c);    
    return 0;
}